crypto/src/util/Spans.cs


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#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER
using System;
using System.Runtime.CompilerServices;

#nullable enable

namespace Org.BouncyCastle.Utilities
{
    internal static class Spans
    {
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        internal static Span<T> FromNullable<T>(T[]? array, int start)
        {
            return array == null ? Span<T>.Empty : array.AsSpan(start);
        }
    }
}
#endif